Sequential circuits samplers

There must be a control signal missing that controls the volume.
 

     On Thursday, 23 October 2014, 16:49, "berendnie@... [prophet2000]" <prophet2000@yahoogroups.com> wrote:
   

     yes, resonance lfo filter adsr, sample sounds good not bend or anything, all work as it should!
only voice 8 is quiet /er than the rest.
I swapped alot of cems ;) also from my 2000, this is an p2002 plus btw. but all of them work fine.
do you have any id? thanks for responding btw!
I do feel like this is a minor problem, maybe a dead capasitor or something in the op-amp circuit?i wish i had some fault finding skills because i'm just guessing..

also if anybody knows how to messure what comes out of the cem (with a simple multi-meter) please tell!(also for future generation p2k owners. :) or do i need an oscilloscope for that, no problem in getting one.
maybe a good start to determine if the problem lies before or after the cem.